<template>
    <div class="app-content">
       <!-- ----------------------顶部区域------------ -->
        
		<mt-header fixed title="vue-app">
			<span slot="left" @click="goBack" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>	

        <!-- ----------------------中间的 路由router-view区域------------ -->
		<transition>
				<router-view></router-view>
		</transition>
        <!---------------------------Tabbar底部区域--------------------- -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-change" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-change" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-change" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-change" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>
</template>

<script>
	export default {
		data(){
			return{
				flag:false
			}
		},
		created(){
			this.flag = this.$route.path=== '/home'? false:true;
		},
		methods:{
			//点击后退
			goBack(){
				this.$router.go(-1);
			}
		},
		watch:{
			'$route.path' :function(newval){
				if(newval=== '/home'){
					this.flag= false
				}else{
					this.flag= true
				}
			}
		}
	}
</script>

<style lang="less" scoped>
.mint-header{
	z-index: 99;
}
.app-content {
  padding-top: 40px;
}
.v-enter{
	opacity: 0;
	transform: translateX(100%);	
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute; 
}
.v-enter-active,
.v-leave-active{
	transition: all 1s ease;
}
// 为了避免和mui的滑动冲突，将.mui-tab-item改为.mui-tab-item-change
.mui-bar-tab .mui-tab-item-change.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-change {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
	color: #929292;
	}
.mui-bar-tab .mui-tab-item-change .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-change .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
.container{
	margin-bottom: 50px;
}
</style>
